Blazor WebAssembly - certificate [Linux] [Ubuntu 20.20]

Describe the bug

It’s impossible to run secured connection in Linux environment. As far as I’m able to generate self signed CA certificate which works for ASP.NET core:

1. Using $ dotnet dev-certs https --clean --import localhost.pfx -p 1234 results with:

- The certificate at 'localhost.pfx' is not a valid ASP.NET Core HTTPS development certificate.

There is no place to put it in Blazor WebAssembly configuration (appsettings).

To Reproduce

Install Ubuntu 20.20 Install .NET 5 dotnet new blazorwasm dotnet run

• connection is not secured
• generate certificate with openssl => no place to attach it in configuration

Further technical details

• The IDE (VS Code) 1.51

P.S. I tried to debug Blazor WASM in VS code it’s also impossible. I guess certificate issue might be the reason, yesterday I received some weird wrong certificate outputs which I’m unable to reproduce today after all day battle… Also I was unable to debug Blazor WASM in Windows env, however after certificate installation debugger started to work…

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